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122 Troubleshooting
Rebuilding a physical
disk after one of them
is in a failed state.
If you have configured hot spares, the PERC 6 controller
automatically tries to use one to rebuild a physical disk that is
in a failed state. Manual rebuild is necessary if no hot spares
with enough capacity to rebuild the failed physical disks are
available. You must insert a physical disk with enough storage
into the subsystem before rebuilding the physical disk. You
can use the BIOS Configuration Utility
or Dell OpenManage
Storage Management application
to perform a manual rebuild
of an individual physical disk.
See the section "Performing a Manual Rebuild of an
Individual Physical Disk" on page 107 for procedures to
rebuild a single physical disk.
A virtual disk fails
during rebuild while
using a global hot
spare.
The global hot spare goes back into HOTSPARE state and
the virtual disk goes into FAIL state.
A virtual disk fails
during rebuild while
using a dedicated hot
spare.
The dedicated hot spare goes into READY state and the
virtual disk goes into FAIL state.
A physical disk fails
during a
reconstruction process
on a redundant virtual
disk that has a hot
spare.
The rebuild operation for the
inaccessible
physical disk starts
automatically after the reconstruction is completed.
A physical disk is
taking longer than
expected to rebuild.
A physical disk takes longer to rebuild when under high
stress. For example, there is one rebuild I/O operation for
every five host I/O operations.
You cannot add a
second virtual disk to a
disk group while the
virtual disk in that
disk group is
undergoing a rebuild
The firmware does not allow you to create a virtual disk using
the free space available in a disk group if a physical disk in a
virtual disk in the disk group is undergoing a rebuild
operation.
Table 7-5. Physical Disk Failure and Rebuild Issues (continued)
Issue Suggested Solution
Dell_PERC6.1_UG.book Page 122 Wednesday, April 15, 2009 4:18 PM